CaratHunter
Plans
Radiant|Natural|GIA

1.30ct D SI2 Radiant Natural Diamond

EX • D/SI2

Diamond specifications and retailer prices

From £3,517 GBP
As of November 5, 2026
Save £3,221 GBP (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £6,738 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural radiant diamond

This 1.3ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 15 retailers as of November 5, 2026, with prices from £3,517 to £6,738, a £3,221 spread on the same certified stone. NZ Jewellers lists it at £6,738. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions7.18 × 5.61 × 3.67 mm
L/W Ratio1.28
Top View
7.18 mm5.61 mm1.30 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 69.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 65.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £6,738 GBP|Low: £3,517 GBP|High: £6,738 GBP|Avg: £4,112 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8£3,517 GBP
Retailer 3£3,650 GBP
Retailer 5£3,650 GBP
Retailer 7£3,650 GBP
Retailer 9£3,680 GBP
Retailer 6£3,792 GBP
Retailer 2£3,961 GBP
Retailer 10£4,090 GBP
Retailer 4£4,211 GBP
NZ Jewellers£6,738 GBP

42 data points across 10 retailers

15 retailers£3,517 GBP to £6,738 GBP

A
Cheapest Retailer
-
£3,517 GBP
B+
Retailer 2
-
£3,650 GBP
View
B+
Retailer 3
-
£3,650 GBP
View
B+
Retailer 4
-
£3,650 GBP
View
Retailer 5
-
£3,650 GBP
View
Price last confirmed 9 days ago
B+
Retailer 6
-
£3,650 GBP
View
B+
Retailer 7
-
£3,680 GBP
View
B+
Retailer 8
-
£3,792 GBP
View
B+
Retailer 9
-
£3,961 GBP
View
B+
Retailer 10
-
£4,090 GBP
View
Retailer 11
-
£4,211 GBP
View
Price last confirmed 62 days ago
B+
Retailer 12
-
£4,211 GBP
View
B+
Retailer 13
-
£4,211 GBP
View
Retailer 14
-
£6,738 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
1aab96a1-0348-4453-b2d8-5e46b945be8f · Nov 5
£6,738 GBP
$9,019 USD
View
14 more retailers have this diamond
Prices start from £3,517 GBPSave up to £3,221 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.30ct Radiant
£3,517 GBP